Request Quote
(Ships tomorrow)
Equivalent & Substitute Parts for Coto Technology 8041-12-001
Part Overview
The Coto Technology 8041-12-001 is a reed relay with SPDT contact configuration, rated for 250 mA at 12VDC coil voltage. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs. Reed relays in this specification class are used in applications requiring low-power switching with fast response times and compact form factors.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Coil Voltage | 12VDC |
| Contact Form | SPDT (1 Form C) |
| Contact Rating (Current) | 250 mA |
| Switching Voltage | 100VAC, 100VDC - Max |
| Coil Current | 24 mA |
| Coil Type | Non Latching |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Operating Temperature Range | -20°C ~ 85°C |
| Coil Resistance | 500 Ohms |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
Substitution of the Coto Technology 8041-12-001 is determined by the following critical parameters:
Primary Compatibility Criteria:
- Coil voltage: 12VDC (exact match required)
- Contact form: SPDT (1 Form C) (exact match required)
- Coil type: Non Latching (exact match required)
- Mounting type: Through Hole (exact match required)
- Termination style: PC Pin (exact match required)
- Coil current: 24 mA (exact match required)
- Coil resistance: 500 Ohms (exact match required)
Secondary Compatibility Criteria (Allowable Variations):
- Contact rating current: Equal to or greater than 250 mA
- Switching voltage: Equal to or greater than 100VAC/100VDC
- Operating temperature range: Must encompass or exceed -20°C ~ 85°C
- Product status: Active preferred for long-term availability
The Standex-Meder Electronics DIP12-1C90-51L meets all primary criteria and exceeds secondary criteria, providing enhanced current handling and switching voltage capability.
Parameter Comparison
| Parameter | Coto Technology 8041-12-001 | Standex-Meder Electronics DIP12-1C90-51L | Compatibility |
|---|---|---|---|
| Coil Voltage | 12VDC | 12VDC | Exact Match |
| Contact Form | SPDT (1 Form C) | SPDT (1 Form C) | Exact Match |
| Contact Rating (Current) | 250 mA | 500 mA | Substitute Exceeds |
| Switching Voltage | 100VAC, 100VDC - Max | 175VAC, 175VDC - Max | Substitute Exceeds |
| Coil Current | 24 mA | 24 mA | Exact Match |
| Coil Type | Non Latching | Non Latching | Exact Match |
| Mounting Type | Through Hole | Through Hole | Exact Match |
| Termination Style | PC Pin | PC Pin | Exact Match |
| Coil Resistance | 500 Ohms | 500 Ohms | Exact Match |
| Operating Temperature Range | -20°C ~ 85°C | -20°C ~ 70°C | Substitute Limited |
| Operate Time | 1 ms | 0.7 ms | Substitute Faster |
| Release Time | 1 ms | 1.5 ms | Substitute Slower |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Both Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | Both Unaffected |
Engineering Selection Recommendations
The Standex-Meder Electronics DIP12-1C90-51L is a direct functional substitute for the obsolete Coto Technology 8041-12-001. Both components maintain identical coil specifications, contact configuration, and termination characteristics, ensuring direct PCB compatibility without layout modifications.
Advantages of DIP12-1C90-51L:
- Active product status ensures long-term availability and supply chain continuity
- Enhanced contact current rating (500 mA vs. 250 mA) provides design margin for applications with variable load conditions
- Increased switching voltage capability (175VAC/175VDC vs. 100VAC/100VDC) extends application scope
- Faster operate time (0.7 ms vs. 1 ms) improves system response characteristics
- ROHS3 compliance meets current regulatory requirements
Operational Considerations:
- Operating temperature range of the substitute is limited to -20°C ~ 70°C, compared to the original -20°C ~ 85°C. Applications requiring operation above 70°C require thermal analysis or alternative component selection
- Release time is marginally longer (1.5 ms vs. 1 ms), which may affect timing-critical applications
- Both components carry identical REACH unaffected status and equivalent environmental compliance
Frequently Asked Questions (FAQ)
Q: Can the DIP12-1C90-51L be used as a direct replacement on existing PCBs designed for the 8041-12-001?
A: Yes. Both components feature identical Through Hole mounting with PC Pin termination, identical coil voltage (12VDC), identical coil current (24 mA), and identical coil resistance (500 Ohms). No PCB modifications are required.
Q: What is the significance of the higher contact current rating on the substitute part?
A: The DIP12-1C90-51L is rated for 500 mA compared to the original 250 mA. This higher rating provides additional design margin and allows the substitute to handle applications with higher switching currents without derating. Applications limited to 250 mA or less operate within the substitute's capability.
Q: Are there temperature limitations when using the DIP12-1C90-51L?
A: The substitute operates from -20°C to 70°C, whereas the original operates to 85°C. Applications requiring operation above 70°C must either use the original component (if available) or select an alternative relay with extended temperature range. Applications within -20°C to 70°C are fully compatible.
Q: How do the switching speed characteristics compare?
A: The DIP12-1C90-51L operates faster (0.7 ms vs. 1 ms) but releases slightly slower (1.5 ms vs. 1 ms). For applications sensitive to switching timing, these differences must be evaluated against system requirements.
Q: What packaging format is supplied for the substitute part?
A: The DIP12-1C90-51L is supplied in Tube packaging, whereas the original part number does not specify packaging format in the provided data. Confirm packaging requirements with procurement specifications.
Q: Are both components compliant with current environmental regulations?
A: Yes. The original 8041-12-001 is RoHS Compliant and REACH Unaffected. The substitute DIP12-1C90-51L is ROHS3 Compliant and REACH Unaffected, meeting current and anticipated regulatory requirements.
Q: What is the coil resistance and does it affect circuit design?
A: Both components have identical 500 Ohm coil resistance. No circuit modifications are required for coil drive circuits designed for the original component.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts

